GONÇALVES, Rogério Sales, CARBONE, Giuseppe, CARVALHO, João Carlos Mendes and CECCARELLI, Marco (2016). A comparison of stiffness analysis methods for robotic systems. International journal of mechanics and control, 17 (2), 35-58.
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Abstract
A robotic structure consists of a kinematic chain composed by links that can be rigid or flexible, interconnected by joints. One of the outstanding problems in robotic design and operation is to estimate a robot behaviour under the action of external loads. In particular, it is needed a standard procedure to obtain the stiffness performance through the whole robot workspace. This paper presents a review about the main available methods to calculate the robotic systems stiffness performance in terms of a local Cartesian stiffness matrix. Specific attention is addressed to methods based on lumped parameters both by using the kinematic and dynamic forces distributions and by using Jacobian matrices. This paper also describes methods based on matric structural analysis (MSA) and finite element analysis (FEA). Two cases of study have been reported to analyse and compare the above mentioned methodologies for providing a suitable mean to choose the most appropriate method for a given application.
Item Type: | Article |
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Research Institute, Centre or Group - Does NOT include content added after October 2018: | Materials and Engineering Research Institute > Centre for Automation and Robotics Research > Sheaf Solutions |
Page Range: | 35-58 |
Depositing User: | Helen Garner |
Date Deposited: | 23 Dec 2016 13:39 |
Last Modified: | 18 Mar 2021 07:10 |
URI: | https://shura.shu.ac.uk/id/eprint/14380 |
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